Different Computer Viruses

A good antivirus software program is essential for combating the many different viruses that are found online and that can get to your computer and harm it indefinitely. An antivirus software program is necessary for keeping your computer safe from computer viruses and also for notifying you of an attack on your computer in most cases. This is good to have in case you want to know what programs are potentially harmful and what viruses that might contain. A computer virus is just about the most popular method that people know of which poses the most threat to your computer’s safety and there are over a thousand different computer viruses that your computer could be infected by. If you think that your computer has been infected you may have a symptom such as when a file is deleted unexpectedly. This is a common occurrence when it comes to you having a virus on your computer. Other ways that you can tell that you have a computer virus may include: when the computer may take a very long time to load applications, if your computer screen presents images in a distorted manner, if your filenames change inexplicably, or if some programs on your computer become inaccessible for no apparent reason. All of these things could mean that you have a virus and if so a good antivirus program may be the only thing that can help this situation.

Among the most common viruses that are seen in computer systems are the polymorphic virus and the stealth virus in addition to the Trojan Horse. The Polymorphic computer virus is encrypted and many times hides itself from an antivirus program. This type of viruses can spread through your computer and can generate a new decryption routine indefinitely making it very hard to be detected. The Stealth Virus and the Trojan horse on the other hand are usually picked up on by a good antivirus program.